jlayeredpane3.java

深入浅出JAVA Swing程序设计光盘代码.新书,相当不错

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class JLayeredPane3 extends JFrame
{
    public JLayeredPane3()
    {
        super("JLayeredPane");
        
        JLabel label1 = new JLabel("左Label",JLabel.CENTER);
        label1.setVerticalAlignment(JLabel.TOP);
        label1.setBackground(Color.red);
        label1.setForeground(Color.black);
        label1.setOpaque(true);
        label1.setBounds(20, 20, 150, 150);
        
        JLabel label2 = new JLabel("右Label",JLabel.CENTER);
        label2.setVerticalAlignment(JLabel.TOP);
        label2.setBackground(Color.green);
        label2.setForeground(Color.black);
        label2.setOpaque(true);
        label2.setBounds(50, 50, 150, 150);
        
        JLayeredPane layeredPane = getLayeredPane();
        layeredPane.add(label1,new Integer(10),1);
        layeredPane.add(label2,new Integer(10),0);

        setSize(new Dimension(280, 280));
        show();
        addWindowListener(new WindowAdapter() {
            public void windowClosing(WindowEvent e) {
                    System.exit(0);
            }
        });
    }
    
    public static void main(String[] arg)
    {
        new JLayeredPane3();
    }
}